精选优质文档-倾情为你奉上英语简单句和复合句练习题 英语简单句和复合句练习题1.The English play _ my students acted at the New Years party was a great success.A. for which B. at which C. in whichD. on which2.Roses need special care _ they can live through winter.A. because B. so thatC. even ifD. as3.The factory produces half a million pairs of shoes every year, 80% _are sold abroad.A. of